Subtract 15/84 from 72/16
1st number: 4 8/16, 2nd number: 15/84
72/16 - 15/84 is 121/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
72/16 = 72 × 21/16 × 21 = 1512/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
15/84 = 15 × 4/84 × 4 = 60/336 - Subtract the two like fractions:
1512/336 - 60/336 = 1512 - 60/336 = 1452/336 - After reducing the fraction, the answer is 121/28
- In mixed form: 49/28
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